<!--
   SPDX-FileCopyrightText: 1991 - 1993, Julianne Frances Haugh
   SPDX-FileCopyrightText: 1991 - 1993, Chip Rosenthal
   SPDX-FileCopyrightText: 2007 - 2008, Nicolas François
   SPDX-License-Identifier: BSD-3-Clause
-->
<varlistentry condition="no_pam">
  <term><option>HMAC_CRYPTO_ALGO</option> (string)</term>
  <listitem>
    <para>
      Used to select the HMAC cryptography algorithm that the pam_timestamp
      module is going to use to calculate the keyed-hash message authentication
      code.
    </para>
    <para>
      Note: Check <refentrytitle>hmac</refentrytitle><manvolnum>3</manvolnum>
      to see the possible algorithms that are available in your system.
    </para>
  </listitem>
</varlistentry>
